568 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Graptodictya proava Continued. 



Graptodictya proava Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 123-126, figs. 



49, 50; pi. 8, fig. 2; pi. 9, figs. 1-6. 

 Clathropora flabellata Hall, Foster and Whitney's Rep. Geol. Lake Superior 



Land Dist., pt. 2, 1851, p. 207, pi. 24, figs. 2a, b. 

 Stictoporella flabellata Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 



416. 

 Stictoporella cribrosa Sardeson (not Ulrich), Jour. Geol., 9, 1901, p. 157, pi. B, 



figs. 7-9. 

 Middle Ordovician: Uxnorm, Esthonia, Russia (Wassalem); Kenyon, Minnesota, 



and Escanaba River, Michigan (Trenton). 

 Plesiotype. Cat. No. 57216, U.S.N.M. 



GRAPTOLITES (DIDYMOGRAPSUS) BRYONOIDES McCoy. See Tetragraptus serra. 



GRAPTOLITES (DIDYMOGRAPSUS) CADUCEUS McCoy. See Didymograptus (Isograptus) 

 caduceus. 



GRAPTOLITES DENTATUS Vanuxem. See Glossograptus (Orthograpttis) quadrimu- 

 cronatus. 



GRAPTOLITES (DIDYMOGRAPTUS) EXTENSUS McCoy. See Didymograptus extensus. 

 GRAPTOLITES (DIDYMOGRAPTUS) FRUTICOSUS McCoy. See Tetragraptus fruticosus. 

 GRAPTOLITES (DIDYMOGRAPTUS) LOGANI McCoy. See Loganograptus logaiii. 

 GRAPTOLITES NILSSONI Harkness. See Monograptus gregarius. 



GRAPTOLITES (DIDYMOGRAPTUS) OCTOBRACHIATUS McCoy. See Dichograptus octo- 

 brachiatus. 



GRAPTOLITES PRIODON of authors. See Monograptus priodon. 

 GRAPTOLITES PRISTIS (part) of authors. See Diplograptus foliaceus. 



GRAPTOLITES (DIDYMOGRAPSUS) QUADRIBRACHIATUS McCoy. See Tetragraptus 

 quadribrachiatus. 



GRAPTOLITES (DIDYMOGRAPTUS) THUREAUI McCoy. See Goniograptus thureaui. 

 GRAPTOLITES VENOSUS Hall. See Retiolites geinitzianus venosus. 

 GRAPTOLITHUS ABNORMIS Hall. See Clonograptus abnomiis. 

 GRAPTOLITHUS ACUTUS Hopkinson. See Monograptus intermedius. 

 GRAPTOLITHUS ALATUS Hall. See Tetragraptus alatus. 



GRAPTOLITHUS AMPLEXICAULE Hall. See Diplograptus (Glyptograptus) amplexi- 

 caule. 



GRAPTOLITHUS ANGUSTIFOLIUS Hall. See Diplograptus (Glyptograptus) angustifolius. 

 GRAPTOLITHUS ANNECTANS Walcott. See Leptograptus annectans. 

 GRAPTOLITHUS ARCUATUS Hall. See Didymograptus arcuatua. 

 GRAPTOLITHUS ARUNDINACEUS Hall. See Mastigograptus aruiidinaceus. 

 GRAPTOLITHUS BICORNIS Hall. See Climacograptus bicornis. 

 GRAPTOLITHUS BIFID us Hall. See Didymograptus bilidus. 



